What is the Greatest Common Factor of 942 and 951?

Greatest common factor (GCF) of 942 and 951 is 3.

GCF(942,951) = 3

We will now calculate the prime factors of 942 and 951, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 942 and 951.

How to find the GCF of 942 and 951?

We will first find the prime factorization of 942 and 951. After we will calculate the factors of 942 and 951 and find the biggest common factor number .

Step-1: Prime Factorization of 942

Prime factors of 942 are 2, 3, 157. Prime factorization of 942 in exponential form is:

942 = 2¹ × 3¹ × 157¹

Step-2: Prime Factorization of 951

Prime factors of 951 are 3, 317. Prime factorization of 951 in exponential form is:

951 = 3¹ × 317¹

Step-3: Factors of 942

List of positive integer factors of 942 that divides 942 without a remainder.

1, 2, 3, 6, 157, 314, 471

Step-4: Factors of 951

List of positive integer factors of 951 that divides 942 without a remainder.

1, 3, 317

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 942 and 951. The biggest common factor number is the GCF number.
So the greatest common factor 942 and 951 is 3.

Also check out the Least Common Multiple of 942 and 951